public static void main(String[] args)

    {

        System.out.println("测试开始");

        File file = new File("D:/files/req.txt");

        BufferedReader reader = null;

        String jsonStr = "";

        try

        {

            reader = new BufferedReader(new FileReader(file));

            String readLine = "";

            while ((readLine = reader.readLine()) != null)

            {

                jsonStr += readLine + "\n";

            }

            System.out.println(jsonStr);

            JSONObject jsonObj;

            try

            {

                jsonObj = new JSONObject(jsonStr);

                System.out.println(jsonObj.get("Version"));

                System.out.println(jsonObj.get("VimId"));

            }

            catch (JSONException e)

            {

                // TODO Auto-generated catch block

                e.printStackTrace();

            }

        }

        catch (FileNotFoundException e)

        {

            e.printStackTrace();

            System.out.println("e" + e.getMessage());

        }

        catch (IOException e)

        {

            // TODO Auto-generated catch block

            e.printStackTrace();

            System.out.println("error" + e.getMessage());

        }

        finally

        {

            if (reader != null)

            {

                try

                {

                    reader.close();

                }

                catch (IOException e)

                {

                    System.out.println("close fail!!"+ e.getMessage());

                }

            }

        }

    }

测试开始

{

    "Version": "1.0",

    "VimId": "81f1d9d0-ca13-4eea-a4ce-9bd89a50c9d1",

    "SrcType": "vpim",

    "MsgType": "vimPmMetrics",

    "FileUri": "https://192.168.112.80:9131/v1/vimPm/files/201606011415.gz"

}

1.0

81f1d9d0-ca13-4eea-a4ce-9bd89a50c9d1